Java tutorial
import java.io.InputStream; import java.io.OutputStream; import java.net.Socket; class Whois { public static void main(String args[]) throws Exception { int c; Socket s = new Socket("internic.net", 43); InputStream in = s.getInputStream(); OutputStream out = s.getOutputStream(); String str = "asdfasdfasdf\n"; byte buf[] = str.getBytes(); out.write(buf); while ((c = in.read()) != -1) { System.out.print((char) c); } s.close(); } }